58.4% is the change from 512 to 811
Calculation steps:
[( 811 - 512 ) ÷ 512] x 100 = 58.4%
Formula
Percentage change = [(811 - 512) / 512] x 100
Subtract the new number by the original number
811 - 512 = 299
299 ÷ 512 = 0.583984375
0.583984375 x 100 = 58.4%